Definición de locomotory en inglés:

adjetivo

The Ecdysozoa, all of which molt and lack motile locomotory cilia, include priapulids, kinorhynchs, nematodes, nematomorphs, tardigrades, onychophorans, and arthropods.

The ‘quilt’ itself was probably the collagenous basement membrane of a dorsal unit acting both as a hydraulic skeleton and muscular locomotory organ perhaps analogous to the set of myomeres in chordates.